Make sure you are allowed to use the branded logos on your website.
Don’t have logos, watermarks, branding on your images. https://www.reinhartautohaus.com/products/masata-bmw-n13-f20-f30-aluminium-chargepipe-turbo-to-intercooler-pipe-114i-116i-118i-120i-316i-316li-320i-ed
Missing in or out of stock info on the product landing page.
All your links in the footer of the checkout are hidden. Make sure the font color for links is not white, like the background.
You will have more issues, so make sure to check:
https://support.google.com/google-ads/community-guide/304792695
https://support.google.com/merchants/answer/6150127
https://support.google.com/merchants/answer/6363310/follow-the-merchant-center-guidelines
https://support.google.com/merchants/answer/7052112
https://support.google.com/merchants/answer/4752265
https://support.google.com/merchants/answer/13693865
https://support.google.com/merchants/answer/6149970
https://support.google.com/merchants/answer/9158778
https://support.google.com/merchants/answer/6150244
https://support.google.com/google-ads/community-guide/241068758